| Datum | Země | Název, adresa | Pořadatel |
|---|---|---|---|
| 12.5.2012 |  | 3RT - 3 River Throwdown 1 Onalaska, Wisconsin, United States, United States | 3 River Throwdown |
| 12.5.2012 | | CBFC - Cage Brawl Fighting Championships 9 MeadowView Conference Center, Kingsport, Tennessee, United States | Cage Brawl Fighting Championships |
| 12.5.2012 | | CC - Colosseum Combat 21 Kokomo, Indiana, United States, United States | Colosseum Combat |
| 12.5.2012 | | CFC - Crown Fighting Championships 6 Dixie Center, St. George, Utah, United States | Crown Fighting Championships |
| 12.5.2012 |  | CFS - Newcomer Challenge 2 Schwarzl Entertainment Center, Unterpremstatten, Styria, Austria | Cage Fight Series (Austria) |
| 12.5.2012 |  | CMF - Candido Mota Fight Candido Mota Municipal Gymnasium, Candido Mota, Sao Paulo, Brazil | Candido Mota Fight |
| 12.5.2012 |  | Croatian MMA League - Quarterfinals Westgate Shopping City, Zagreb, Croatia, Croatia | Only Men Stuff |
| 12.5.2012 | | DF - Diamond Fight 1 Diamond Club, Santos, Sao Paulo, Brazil | Diamond Fight (Sao Paulo) |
| 12.5.2012 | | EC / Conflict MMA - Extreme Challenge 211 Omar Shrine Temple, Mount Pleasant, South Carolina, United States | Extreme Challenge |
| 12.5.2012 |  | FFCC - Fit Fashion Combat Championship 2 Fit Fashion Ginza Fitness, St. Petersburg, Leningrad, Russia | Fit Fashion Combat Championship |
| 12.5.2012 |  | FG 25 - Fighter Gala 25 SAS Radisson Falconer, Frederiksberg, Denmark, Denmark | Fighter Gala |
| 12.5.2012 |  | Fusion Fighting Championship - Unstoppable Epsom Down Racecourse, Epsom, London, England | Fusion Fighting Championship |
| 12.5.2012 | | HCC 10 - Haidar Capixaba Combat 10 Tancredo de Almeida Neves Gymnasium, Vitoria, Espirito Santo, Brazil | Haidar Capixaba Combat |
| 12.5.2012 | | Helster MMA - Ultimate Cage Fighters Unleashed Starland Ballroom, Sayreville, New Jersey, United States | Helster MMA |
| 12.5.2012 |  | IFC - Immortal Fighting Championship 6 Clanree Hotel, Letterkenny, County Donegal, Ireland | Immortal Fighting Championship |
| 12.5.2012 | | JF - Jungle Fight 39 Rio de Janeiro Municipal Club, Rio de Janeiro, Brazil, Brazil | Jungle Fight |
| 12.5.2012 | | Jorge Velho Team - JVT Championship 2 Eloy Kunz Harvest Park, Flores da Cunha, Rio Grande do Sul, Brazil | JVT Championship |
| 12.5.2012 |  | KOTC - Nightmare Buffalo Thunder Resort and Casino, Santa Fe, New Mexico, Mexico | King of the Cage |
| 12.5.2012 | | KSF - My Battle, My Belt Perkins Regency Hall, McPherson, Kansas, United States | Kansas Super Fights |
| 12.5.2012 |  | KSW 19 - Pudzianowski vs. Sapp Atlas Arena, Lodz, Poland, Poland | KSV - Konfrontacja Sztuk Walki |
| 12.5.2012 | | Lions FC 3 - Lions Fighting Championship 3 Itabuna Olympic Village Gymnasium, Itabuna, Bahia, Brazil | Lions Fights MMA (Lions Fighting Championship) |
| 12.5.2012 |  | MDC 2 - Mad Dog Cup 2 Sage2000, Madrid, Spain, Spain | Mad Dog Cup |
| 12.5.2012 | | Midtown Productions - Midtown Throwdown 4 Lane County Fairgrounds Event Center, Eugene, Oregon, United States | Midtown Productions |
| 12.5.2012 | | MMA Total Combat - Seletiva Sul-Americana de MMA Santa Luzia Sports Gymnasium, Santa Luzia, Minas Gerais, Brazil | MMA Total Combat (Brazil) |
| 12.5.2012 | | MWC 2 - Mescalero Warrior Challenge 2 Inn of the Mountain Gods Resort and Casino, Mescalero, New Mexico, Mexico | Mescalero Warrior Challenge |
| 12.5.2012 |  | NDE - Noche de Estrellas Heart of Mary Stadium, Cordoba, Argentina, Argentina | Noche de Estrellas |
| 12.5.2012 | | NMEF - Annihilation 40 City Auditorium, Colorado Springs, Colorado, United States | No Mercy Extreme Fighting |
| 12.5.2012 |  | OC 29 - Outsider Cup 29 Yawara Athletics, Heidelberg, Germany, Germany | Outsider Cup |
| 12.5.2012 | | Pure MMA 2 - Next Episode Sports Dome, Wilkes-Barre, Pennsylvania, United States | Pure MMA LLC |
| 12.5.2012 | | Purgatory FS 7 - Purgatory Fight Series 7 Lucas County Recreation Center, Maumee, Ohio, United States | Purgatory Fight Series |
| 12.5.2012 | | RCWC - Throwdown Showdown 13 VFW Post 3166, Liberal, Kansas, United States | Revolution Cage Warrior Challenge |
| 12.5.2012 | | Rio FC - Rio Fight Jeronimo Martins Gymnasium, Rio Verde, Goias, Brazil | Rio Fight Championship |
| 12.5.2012 | | SCS 11 - No Fear Sugar Creek Casino, Hinton, Oklahoma, United States | Sugar Creek Showdown |
| 12.5.2012 | | SFN 5 - There Will Be Blood The Arena Nightclub, Abertillery, Gwent, Wales | Samurai Fight Night |
| 12.5.2012 |  | Shooto Italy - 3rd MMA National Championship Rimini Fiera Expo Center, Rimini, Italy | Shooto Europe |
| 12.5.2012 | | SHP 16 - Strike Hard Productions 16 900 Skyland Blvd East, Tuscaloosa, Alabama, United States | Strike Hard Productions |
| 12.5.2012 | | TC 47 - Total Combat 47 Spennymoor Leisure Centre, Spennymoor, England, England | MMA Total Combat |
| 12.5.2012 | | The Beatdown 10 - Battle of the Badges 3 Grizzly Rose, Denver, Colorado, United States | The Beatdown (Colorado) |
| 12.5.2012 | | The Rock MMA - Rock at the Dock 5 Queens Landing, Mooresville, North Carolina, United States | The Rock MMA |
| 12.5.2012 | | TVT - Tribus MMA Kanecao Gymnasium, Santarem, Para, Brazil | Tribus de Vale Tudo |
| 12.5.2012 | | TWC - Freedom Fight Series 5 Illinois State Fairgrounds Expo Building, Springfield, Illinois, United States | Team Warrior Concepts |
| 12.5.2012 | | VFN - Voice Fight Night Voice, Camaqua, Rio Grande do Sul, Brazil | Voice Fight Night |
| 12.5.2012 | | VT - Vale Tudo 3 Underground Club, Moscow, Russia, Russia | Vale Tudo (Russia) |
| 12.5.2012 | | WFC - Women's Fighting Championship 1 Casper, Wyoming, United States, United States | Women's Fighting Championship |
| 12.5.2012 |  | WFCA - Fight Arena Selection 3 WFCA Fighting Centre, Riga, Latvia, Latvia | World Full Contact Association |
| 12.5.2012 | | WFF 8 - Fight at the Fields Salt River Fields at Talking Stick, Scottsdale, Arizona, United States | World Fighting Federation |
| 12.5.2012 | | WLMMA - We Love MMA 3 Universal Hall, Berlin, Germany, Germany | We Love MMA (Free Fight Association Germany) |
| 12.5.2012 |  | WWG - MMA Challenge Banjica Sports Club, Belgrad, Serbia, Serbia | WWG MMA Challenge |
| 12.5.2012 | | XF - Xingu Fight 3 Nicias Ribeiro Gymnasium, Altamira, Para, Brazil | Xingu Fight |
| 12.5.2012 | | XK 12 - Xtreme Kombat 12 Benito Juarez Gymnasium, Mexico City, Federal District, Mexico | Xtreme Kombat |
| 12.5.2012 | | Xtreme Combat Promotions - Cage Wars Winooski, Vermont, United States, United States | Xtreme Combat Promotions |